@media screen and (min-width: 750px) {
  html {
    font-size: 75px !important;
  }
}

.footer {
  position: fixed;
  margin: 0 auto;
  bottom: 0;
  left: 0;
  width: 100%;
  // height: 1.36rem;
  box-sizing: border-box;
  z-index: 31;
  text-align: center;
  background-color: #fff;
  -webkit-box-shadow: 0 0 10px 0 hsla(0, 6%, 58%, .6);

  a {
    float: left;
    width: 20%;
    height: 1.36rem;
    // background-color: #f00;

    img {
      width: 1.36rem;
      height: 1.36rem;
    }
  }
}